CN103471132B - A kind of energy-saving heat-insulating heat sink for municipal sludge incinerator and method thereof - Google Patents
A kind of energy-saving heat-insulating heat sink for municipal sludge incinerator and method thereof Download PDFInfo
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- CN103471132B CN103471132B CN201310409750.XA CN201310409750A CN103471132B CN 103471132 B CN103471132 B CN 103471132B CN 201310409750 A CN201310409750 A CN 201310409750A CN 103471132 B CN103471132 B CN 103471132B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The present invention relates to a kind of energy-saving heat-insulating heat sink for municipal sludge incinerator and method thereof, described energy-saving heat-insulating heat sink comprises incinerator body, sound damper, blower fan, one-level preheater and two grades of preheaters, the air inlet pipeline of blower fan connects first-hand movable valve and blower fan pneumatic adjusting valve door, two grades of preheaters are connected by the air distribution pipe of pipeline with incinerator body inside, the bottom of air distribution pipe is provided with some nozzles, incinerator body outer wall arranges refractory masses, refractory masses is arranged with the hollow heat preservation sandwich layer of bottom-open formula, hollow heat preservation sandwich layer inwall is provided with adiabator layer, the top of incinerator body is provided with the cooling air ring main being connected with hollow heat preservation sandwich layer, the air port that goes out of cooling air ring main is connected on the connecting pipeline between first-hand movable valve and blower fan pneumatic adjusting valve door by pipeline. the energy-saving heat-insulating heat sink of the present invention decreases energy consumption, reduces cost, has the advantage of safety, energy-saving and environmental protection simultaneously.
Description
Technical field
The present invention relates to a kind of energy-saving heat-insulating heat sink for municipal sludge incinerator and method thereof, belong to environmental technology field.
Background technology
Along with the quickening of Urbanization in China, treatment rate of domestic sewage improves year by year, and the sludge yield of municipal sewage treatment factory also sharply increases. After entering environment without the mud of suitably process, bring secondary pollution directly can to water body and air, not only reduce the effective processing capacity of Sewage treatment systems, and ecotope and mankind's activity are constituted serious threat.
At present, the method for disposal of mud mainly fills, compost is agricultural and burns three kinds. Sludge landfill is relatively big to land resources waste, and all easily environment is caused secondary pollution in transportation and the percolate in landfill yard; When sludge composting or composite microbe fertilizer processed, owing to can not effectively remove the heavy metal in mud and objectionable impurities, heavy metal ion, easily at soil and plant cylinder accumulation, makes Land_use change be restricted. Dried mud can produce the heat energy of 16.65-20.93MJ/t, is the fuel of a kind of low heat value, and the lime-ash after burning can not cause secondary pollution. Therefore, in sludge disposal field, sludge anhydration burning is a kind of technology of current national environmental protection recommendation, and range of application is relatively wide, is applicable to the municipal sludge of process China different qualities.
Nucleus equipment-the incinerator of sludge incineration technique, it is a kind of by waste gas, waste liquid, solid waste: example toxic gas (spray paint tail gas), mud, medical waste, life waste product, carcase etc. carry out high temperature incineration, reach a kind of environmental protection equipment quantizing number and reducing or reduce, reach a kind of product of the heat energy utilizing part to burn medium simultaneously. At present, the application in industrial incinerator environmental protection field is widely.
It is well known that the important substance that the energy is people to be carried out producing and depending on for existence is basic, it does not have the enough energy, just there is no productivity and the development of science and technology, just there is no the society of modernization. In recent years along with the development of China's economic, Energy resources day is becoming tight, and country starts to advocate energy-conserving and environment-protective energetically and promotes energy-conserving and emission-cutting technology. Therefore effective measure is taked to carry out energy-conservation to industrial incinerator, to raising energy utilization rate, significant. Along with carrying out further of energy conservation, various novel, the incinerator type of furnace of energy-conservation advanced person is gradually improved, and by adopting Mist heat recovering greatly to reduce heat loss due to exhaust gas, but slow about the technical development reducing incinerator heat radiation. Although there being some heat insulating materials can reduce heat lost by radiation, but incinerator heat lost by radiation rate is not generally 1%-2% yet.
Current domestic a lot of sludge incineration engineering adopts external burning facility, equipment de-sign manufacture meets its country one belongs to's standard, such as S Design incinerator outside wall temperature is 100 degrees centigrade, Japanese Design incinerator outside wall temperature is 80 degrees centigrade, all higher than the design requirements of 60 degrees Celsius, China, therefore introduction incinerator certainly will be carried out design improvement, so that it meets GB requirement.
Summary of the invention
For solving the problems of the technologies described above, the present invention provides a kind of energy-saving heat-insulating heat sink for municipal sludge incinerator and method thereof, and device directly reduces incinerator outside wall temperature and the recycle heat that will dispel the heat utilizes, and the energy that simultaneously makes reduced costs efficiently is utilized.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, comprise incinerator body, sound damper, blower fan, one-level preheater and two grades of preheaters, between sound damper and blower fan, all it is connected by pipeline between blower fan with one-level preheater and between one-level preheater with two grades of preheaters, the air inlet pipeline of blower fan connects first-hand movable valve and blower fan pneumatic adjusting valve door, two grades of preheaters are connected by the air distribution pipe of pipeline with incinerator body inside, the bottom of air distribution pipe is provided with some nozzles, incinerator body outer wall arranges refractory masses, refractory masses is arranged with the hollow heat preservation sandwich layer of bottom-open formula, hollow heat preservation sandwich layer inwall is provided with adiabator layer, the top of incinerator body is provided with the cooling air ring main being connected with hollow heat preservation sandwich layer, the air port that goes out of cooling air ring main is connected on the connecting pipeline between first-hand movable valve and blower fan pneumatic adjusting valve door by pipeline.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, connecting pipeline under meter on the air inlet pipeline of described one-level preheater.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, the bottom of described cooling air ring main has four blast inlets being connected with hollow heat preservation sandwich layer internal cavities.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, the exit, top of described cooling air ring main is provided with ring main operated pneumatic valve.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, the air outlet pipeline on the left of described cooling air ring main is provided with second-hand movable valve.
The energy-saving heat-insulating cool-down method for municipal sludge incinerator of the present invention, comprises the following steps:
1) first-hand movable valve, second-hand movable valve and blower fan pneumatic adjusting valve door is opened, regulate the air output of pipeline flowmeter, under the suction function of blower fan, air enters by bottom hollow heat preservation sandwich layer on the spot, and the air after heating enters blower fan inside after discharging by cooling air ring main together with the air through sound damper;
2) it is inner that the air after heating enters one-level preheater under the suction function of blower fan, enters two grades of preheater inside after one-level preheater is heated;
3) two grades of preheaters heat after air enter in air distribution pipe by pipeline and blow out with certain speed by nozzle, thus the bottom bed of incinerator body inside is in " boiling " state, create the fluidized-bed that an about 2-2.5m is high, ensure quartz sand fluidization and material burning.
Compared with prior art the useful effect of the present invention is:
1) heat dissipation capacity of environment being declined, ventilation installation reduce, and meet incinerator Surgery therapy lower than the requirement of 50 DEG C;
2) save energy, when ensureing incinerator outside temperature, has carried out recycle to heat radiation, saves the heat of 41%;
3) reduce energy consumption, reduce incinerator fluidization air heating energy source by incinerator heat radiation heat energy;
4) energy consumption is low, high financial profit, compares energy-conserving and environment-protective with other heat preserving method good in economic efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of energy-saving heat-insulating heat sink for municipal sludge incinerator described in the embodiment of the present invention;
Fig. 2 is the vertical view of incinerator body in a kind of energy-saving heat-insulating heat sink for municipal sludge incinerator described in the embodiment of the present invention;
Fig. 3 is the method flow diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail. Following examples are for illustration of the present invention, but are not used for limiting the scope of the invention.
Such as Fig. 1, Fig. 2, shown in Fig. 3, a kind of energy-saving heat-insulating heat sink for municipal sludge incinerator, comprise incinerator body 1, sound damper 2, blower fan 3, one-level preheater 4 and two grades of preheaters 5, between sound damper 2 and blower fan 3, all it is connected by pipeline between blower fan 3 with one-level preheater 4 and between one-level preheater 4 with two grades of preheaters 5, the air inlet pipeline of blower fan 3 connects first-hand movable valve 6 and blower fan pneumatic adjusting valve door 7, two grades of preheaters 5 are connected by the air distribution pipe 8 of pipeline with incinerator body 1 inside, the bottom of air distribution pipe 8 is provided with some nozzles, incinerator body 1 outer wall arranges refractory masses, refractory masses is arranged with the hollow heat preservation sandwich layer 9 of bottom-open formula, hollow heat preservation sandwich layer 9 inwall is provided with adiabator layer, the top of incinerator body 1 is provided with the cooling air ring main 10 being connected with hollow heat preservation sandwich layer 9, the air port that goes out of cooling air ring main 10 is connected on the connecting pipeline between first-hand movable valve 6 and blower fan pneumatic adjusting valve door 7 by pipeline.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, connecting pipeline under meter 11 on the air inlet pipeline of described one-level preheater 4.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, the bottom of described cooling air ring main 10 has four blast inlets being connected with hollow heat preservation sandwich layer 9 internal cavities.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, the exit, top of described cooling air ring main 10 is provided with ring main operated pneumatic valve 12.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention, the air outlet pipeline on the left of described cooling air ring main 10 is provided with second-hand movable valve 13.
The energy-saving heat-insulating cool-down method for municipal sludge incinerator of the present invention, comprises the following steps:
1) first-hand movable valve 6, second-hand movable valve 13 and blower fan pneumatic adjusting valve door 7 is opened, regulate the air output of pipeline flowmeter 11, under the suction function of blower fan 3, air enters by bottom hollow heat preservation sandwich layer 9 on the spot, and the air after heating enters blower fan 3 by cooling air ring main 10 together with the air through sound damper 2 after discharging inner;
2) it is inner that the air after heating enters one-level preheater 4 under the suction function of blower fan 3, enters two grades of preheaters 5 inner after one-level preheater 4 is heated;
3) two grades of preheaters 5 heat after air enter in air distribution pipe 8 by pipeline and blow out with certain speed by nozzle, thus the bottom bed of incinerator body 1 inside is in " boiling " state, create the fluidized-bed that an about 2-2.5m is high, ensure quartz sand fluidization and material burning.
The energy-saving heat-insulating heat sink for municipal sludge incinerator of the present invention is when specifically using, and incinerator cooled enclosure body is placed between incinerator refractory masses and adiabator layer, around incinerator body one week, lower open formula, directly and atmosphere, in Zhi Duan district, incinerator body top, cooling air ring main is set, around body of heater top one week, air in hollow heat preservation sandwich layer is extracted out by blower fan through cooling air pipeline, blower fan is entered together with the First air through sound damper, one-level preheater is guided under fan action, heat through one-level preheating and enter two grades of preheaters, two grades of preheaters give vent to anger from incinerator lower air distribution pipe lead to into, and with certain speed, by being installed on, the nozzle below air distribution pipe blows out downwards, thus bed is in " boiling " state, create the fluidized-bed of an about 2-2.5m, ensure quartz sand fluidization and material burning. blower fan is controlled by first-hand movable valve and second-hand movable valve, and the air output of blower fan is by blower fan pneumatic adjusting valve door and pipeline flowmeter interlocked control.
The above is only the preferred embodiment of the present invention; it is noted that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also making some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (2)
1. the energy-saving heat-insulating heat sink for municipal sludge incinerator, comprise incinerator body (1), sound damper (2), blower fan (3), one-level preheater (4) and two grades of preheaters (5), it is characterized in that: between described sound damper (2) and blower fan (3), all it is connected by pipeline between blower fan (3) with one-level preheater (4) and between one-level preheater (4) with two grades of preheaters (5), the air inlet pipeline of blower fan (3) connects first-hand movable valve (6) and blower fan pneumatic adjusting valve door (7), two grades of preheaters (5) are connected by the air distribution pipe (8) that pipeline is inner with incinerator body (1), the bottom of air distribution pipe (8) is provided with some nozzles, incinerator body (1) outer wall arranges refractory masses, refractory masses is arranged with the hollow heat preservation sandwich layer (9) of bottom-open formula, hollow heat preservation sandwich layer (9) inwall is provided with adiabator layer, the top of incinerator body (1) is provided with the cooling air ring main (10) being connected with hollow heat preservation sandwich layer (9), the air port that goes out of cooling air ring main (10) is connected on the connecting pipeline between first-hand movable valve (6) and blower fan pneumatic adjusting valve door (7) by pipeline,
Connecting pipeline under meter (11) on the air inlet pipeline of described one-level preheater (4);
The bottom of described cooling air ring main (10) has four blast inlets being connected with hollow heat preservation sandwich layer (9) internal cavities;
The exit, top of described cooling air ring main (10) is provided with ring main operated pneumatic valve (12);
The air outlet pipeline in described cooling air ring main (10) left side is provided with second-hand movable valve (13).
2. the energy-saving heat-insulating cool-down method for municipal sludge incinerator, it is characterised in that,
Incinerator cooled enclosure body is placed between incinerator refractory masses and adiabator layer, around incinerator body one week, lower open formula, directly and atmosphere; In Zhi Duan district, incinerator body top, cooling air ring main is set, around body of heater top one week, air in hollow heat preservation sandwich layer is extracted out by blower fan through cooling air pipeline, entering blower fan together with the First air through sound damper, guide to one-level preheater under fan action, heating through one-level preheating enters two grades of preheaters, two grades of preheaters give vent to anger from incinerator lower air distribution pipe lead to into, and by being installed on, the nozzle below air distribution pipe blows out downwards with certain speed; Blower fan is controlled by first-hand movable valve and second-hand movable valve, and the air output of blower fan is by blower fan pneumatic adjusting valve door and pipeline flowmeter interlocked control;
Comprise the following steps:
1) first-hand movable valve, second-hand movable valve and blower fan pneumatic adjusting valve door is opened, regulate the air output of pipeline flowmeter, under the suction function of blower fan, air enters by bottom hollow heat preservation sandwich layer on the spot, and the air after heating enters blower fan inside after discharging by cooling air ring main together with the air through sound damper;
2) it is inner that the air after heating enters one-level preheater under the suction function of blower fan, enters two grades of preheater inside after one-level preheater is heated;
3) two grades of preheaters heat after air enter in air distribution pipe by pipeline and blow out with certain speed by nozzle, thus the bottom bed of incinerator body inside is in " boiling " state, create the fluidized-bed that a 2-2.5m is high, ensure quartz sand fluidization and material burning.
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| CN105509040A (en) * | 2014-09-27 | 2016-04-20 | 华能泰安众泰发电有限公司 | Anti-blocking transformation method of material returner fluidization wind pipe |
| CN105042576A (en) * | 2015-07-13 | 2015-11-11 | 杭州海森达科技有限公司 | Efficient combustion device and method with biomass serving as fuel |
| CN105674277B (en) * | 2016-03-21 | 2017-12-26 | 安徽未名生物环保有限公司 | A kind of incineration firing equipment of gas circulation |
| CN107655332A (en) * | 2017-10-26 | 2018-02-02 | 江苏鑫贝诺冶金机械有限公司 | A kind of metallurgical furnace |
| CN111023132A (en) * | 2019-12-12 | 2020-04-17 | 新昌县三维精工机械有限公司 | Boiler waste heat recovery method and device convenient for connecting multiple devices |
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| US4091747A (en) * | 1976-01-07 | 1978-05-30 | Trecan Ltd. | Waste incinerator system |
| DE19806447A1 (en) * | 1998-02-17 | 1999-08-19 | Gierse | Cooling and air input system for combustion chambers |
| WO2007099259A1 (en) * | 2006-03-01 | 2007-09-07 | Ardi Finance, Societe Par Actions Simplifiee | Method and device for continuously generating hot gas, especially for the dehydration of plant material |
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Address after: 100027 Beijing city Chaoyang District Gongti North Road No. 4 Patentee after: BMEI CO., LTD. Patentee after: Tsukishima Kikai Co., Ltd. Address before: 100027 Beijing city Chaoyang District Gongti North Road No. 4 Patentee before: High Technologies Co., Ltd., Beijing Electromechanical Academy Patentee before: Tsukishima Kikai Co., Ltd. |